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Question 56 1 Imagine a sample with n = 225 and a mean of 23 that comes from a population with a standard deviation of

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Question 56 1 Imagine a sample with n = 225 and a mean of 23 that comes from a population with a standard deviation of 30. Based on these data, what would be the 90% confidence interval for the population mean? (Use z-scores of +1.64 for the 90% confidence level.) O (18.40, 27.60) O (-35.80, 81.80) O (21.04, 24.96) O (19.72, 26.28)

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